Wireshark-bugs: [Wireshark-bugs] [Bug 4433] Wrong decoding of LTE S1AP UEContextReleaseCommand
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From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Thu, 28 Jan 2010 12:55:44 -0800 (PST)
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=4433

--- Comment #5 from Anders Broman <anders.broman@xxxxxxxxxxxx> 2010-01-28 12:55:43 PST ---
Hi,
In that case I think the encoding should have been:
0000   02 11 3f c5 13 f0 00 11 3f c5 d3 9e 08 00 45 02  ..?.....?.....E.
0010   00 48 2a bd 40 00 40 84 e5 15 0a 01 0b 0a 0a 01  .H*.@.@.........
0020   0b 52 13 92 04 03 2d 75 49 8e ac 69 68 37 00 03  .R....-uI..ih7..
0030   00 28 74 2f b4 02 00 01 01 03 00 00 00 00 00 17  .(t/............
0040   00 14 00 00 02 00 63 00 07 0c 21 40 00 10 00 02  ......c...!@....
0050   00 02 40 02 05 40                                ..@..@
                                   v --Changed
                                  0c 21 40 00 10 00 02  ......c...!@....
0050   00 02 40 02 05 40                                ..@..@

07      Open Type Length
30      MME-UE-S1AP-ID Byte 1    <----problem happens here 
Should be 0c??? 
21      MME-UE-S1AP-ID Byte 2
40      MME-UE-S1AP-ID Byte 3
00      MME-UE-S1AP-ID Byte 4
0F      MME-UE-S1AP-ID Byte 5
Actual encoding is 10 ???
00    eNB-UE-S1AP-ID Byte 1
02      eNB-UE-S1AP-ID Byte 2
00 02   Cause
40    Critically - Ignored
02      Open Type Length
05      Radio Network
40      Unknown

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